package com.gitee.swsk33.nuistcanteenselector.config;

import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

import java.time.Duration;

/**
 * 跨域请求配置
 */
@Configuration
public class CorsConfig {

	@Bean
	public FilterRegistrationBean corsFilter() {
		UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
		CorsConfiguration config = new CorsConfiguration();
		config.setAllowCredentials(true);
		// 设置你要允许的网站域名，如果全允许则设为 *
		config.addAllowedOrigin("*");
		// 如果要限制 HEADER 或 METHOD 请自行更改
		config.addAllowedHeader("*");
		config.addAllowedMethod("*");
		config.setMaxAge(Duration.ofDays(5));
		source.registerCorsConfiguration("/**", config);
		FilterRegistrationBean bean = new FilterRegistrationBean(new CorsFilter(source));
		// 这个顺序很重要哦，为避免麻烦请设置在最前
		bean.setOrder(0);
		return bean;
	}

}